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Finding the Fourth Proportional to 341,162.28, 511,524.72 and 141,620.40

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Solution

The fourth proportional to 341,162.28, 511,524.72 and 141,620.40 is: 212,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,162.28 : 511,524.72 = 141,620.40 : x
  2. Step 2: Convert to fraction form
    341,162.28/511,524.72 = 141,620.40/x
  3. Step 3: Cross multiply
    341,162.28x = 511,524.72 × 141,620.40
  4. Step 4: Simplify right side
    341,162.28x = 72,442,335,456.29
  5. Step 5: Solve for x
    x = 72,442,335,456.29/341,162.28
  6. Step 6: Final answer
    x = 212,339.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.